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Two ways life on Mars could also be hiding from scientists

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The potential of alien life on Mars is a subject that has captivated astronomers for a long time.

Despite the scientific community’s best efforts, nevertheless, no proof of past or present life has been found on Mars.

Still, that doesn’t necessarily mean it’s not there, many experts have concluded.

There could also be several ways in which evidence of alien life on Mars could possibly be evading us.

Life could possibly be hiding under the surface

One recent study has indicated that we’d like to look deeper under Mars’ surface to search out traces of life.

That’s because any evidence of amino acids left over from a time when Mars can have been habitable is probably going buried not less than 6.6 feet under the bottom.

Scientists search for amino acids as a result of their role in forming life as we understand it, per the Scripps Research Institute.

Amino acids, which will be created by life and by non-biological chemistry, are a key component in constructing life-essential proteins.

And since Mars lacks a magnetic field, its surface is subject to quite a lot of cosmic radiation that destroys amino acids.

Despite the scientific community’s best efforts, nevertheless, no proof of past or present life has been found on Mars.Getty Images/iStockphoto

“Our results suggest that amino acids are destroyed by cosmic rays within the Martian surface rocks and regolith at much faster rates than previously thought,” said Alexander Pavlov of NASA’s Goddard Space Flight Center in Greenbelt, Maryland.

“Current Mars rover missions drill right down to about two inches (around five centimeters). At those depths, it might take only 20 million years to destroy amino acids completely.”

In light of this recent research, a recent strategy is required when drilling shallow surfaces with rovers like Perservenace or Curiosity.

Life may exist in ways we don’t yet recognize

Nasa scientist Dr. Moogega Cooper discussed with Talks at Google in April about life on Mars.

Scientists look for amino acids due to their role in forming life as we know it, per the Scripps Research Institute.Scientists search for amino acids as a result of their role in forming life as we understand it, per the Scripps Research Institute.Getty Images/iStockphoto

When asked whether she thought Mars has or once had life, Cooper’s answer was positive.

She said: “Did water used to exist on Mars? Yes. Does Mars have some interesting chemistry that might have potentially harbored or sustained life? Yes.”

For these reasons alone, Cooper implies that we will’t rule out that life once existed on the Red Planet.

Nasa also hasn’t completely ruled out that there’s life on Mars or other planets.

It might just be life that we don’t yet understand.

Cooper notes that microbes on Earth can exist in extremely harsh environments and the identical could possibly be said for Mars.

If we do find life, Cooper’s next job can be to make sure that that Earth is protected when a sample of it’s returned here.

She explained to Talks at Google: “Sooner or later we hope to bring samples back to our own planet and you’ve to have that very same consideration.

“Whenever you bring something back you don’t wish to bring something that could be harmful to humans.

This story originally appeared on The Sun and was reproduced here with permission

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